CN206335355U - A kind of milling car combined machine - Google Patents

Abstract

The utility model belongs to the technical field of numerical control machine tools, in particular to a milling and turning compound machine tool, which includes a bed, a spindle unit is arranged on one side of the bed, the spindle unit includes a moving device group, and an electric spindle is installed on the moving device group. The movement is driven by the moving device group; the other side of the bed is equipped with a milling unit along the Z-axis direction. The milling unit includes a milling column, and several power heads for milling workpieces are installed on the milling column; there is also a turning machine on the bed. The turning unit includes a turning column on which a turning device for turning workpieces is installed; the turning unit and the milling unit are arranged on one side of the spindle unit. The utility model is mainly based on milling and supplemented by turning, and has high working efficiency. The double-layer arrangement makes the structure of the whole machine tool stable and strong in rigidity.

Description

A milling and turning compound machine tool

technical field

The utility model belongs to the technical field of numerical control machine tools, in particular to a milling and turning compound machine tool.

Background technique

In machinery manufacturing enterprises, machine tools are a common device for processing workpieces. General machine tools are divided into lathes and milling machines according to different functions. At the same time, there are also many machine tools that combine the functions of turning and milling. This type of machine tool is generally based on turning, supplemented by milling, and has a complex structure. Generally, the turret and power head are set on the guide rail. During the working process, the workpiece is processed through the movement of the turret and power head. Stability, small rigidity and other issues.

Contents of the invention

The purpose of the utility model is to provide a milling-turning compound machine tool with stable structure and strong rigidity, which is mainly based on milling and supplemented by turning.

The purpose of this utility model is achieved in that:

A milling and turning compound machine tool, comprising a bed, a spindle unit is arranged on one side of the bed, the spindle unit includes a moving device group, an electric spindle is installed on the moving device group, and the electric spindle moves under the drive of the moving device group;

The other side of the bed is provided with a milling unit along the Z-axis direction, the milling unit includes a milling column, and several power heads for milling workpieces are installed on the milling column;

A turning unit is also arranged on the bed, the turning unit includes a turning column, and a turning device for turning workpieces is installed on the turning column;

The turning unit and the milling unit are arranged on one side of the spindle unit.

Preferably, the moving device group includes a first linear guide rail and a second linear guide rail, the first linear guide rail is arranged in the X-axis direction above the bed, and the second linear guide rail is slidably connected along the Y-axis direction above the first linear guide rail. The electric spindle is slidably installed on the second linear guide rail; the power head is slidably installed on the milling column through the third linear guide rail.

Preferably, the first linear guide rail, the second linear guide rail and the third linear guide rail are all linear guide rails, and the three can be used interchangeably. The linear guide rail includes two left and right slide rails, and the slide rails A plurality of installation holes arranged in a straight line are opened along the length direction, and two cooling grooves arranged in parallel and opening downward are opened on the lower end surface of the slide rail;

Preferably, a mobile pallet is fixedly installed on the trolley block of the third linear guide rail, and the mobile pallet is in an "L" shape, including a plate one and a plate two, and the plate one and the plate two are respectively located adjacent to the milling column Several power heads are detachably installed on the two sides, plate one and plate two respectively.

Preferably, several active power heads facing the end face of the electric spindle and arranged vertically and main motors for controlling the work of the active power heads are installed on the first plate; The auxiliary power head arranged vertically on the side of the electric spindle and the auxiliary motor for controlling the operation of the auxiliary power head.

Preferably, the power head includes a servo drilling power head for milling, drilling and engraving, and a servo tapping power head for rigid tapping, and the servo drilling power head is located at the servo tapping power head the upper and lower sides.

Preferably, the turning device includes a tool clamping device, and the tool clamping device is installed on the turning column facing the end surface of the electric spindle.

Preferably, the tool clamping device includes a turret and a motor, the motor drives the turret to rotate, a number of stations are evenly opened on the circumference of the turret, and a through hole is provided in the middle of the turret, and each station A mounting seat is detachably installed on the station, and several mounting holes are opened on the mounting seat, and different tools are clamped on each station.

Preferably, the bed between the main shaft unit, the turning unit and the milling unit is provided with a liquid drop tank, and the liquid guide plate is arranged on the periphery of the liquid drop tank, and the liquid guide plate is respectively located on the main shaft unit, the milling unit, etc. and below the turning unit.

Compared with the prior art, the utility model has outstanding and beneficial technical effects as follows:

1. The utility model is divided into two areas, one side is the spindle unit, and the other side is the turning unit and milling unit arranged in front and back. When the workpiece is working, it is first turned and then fine milled. For workpieces that need to be milled with complex structures, The utility model is mainly based on milling and supplemented by turning, and has high working efficiency. The double-layer arrangement makes the structure of the whole machine tool stable and strong in rigidity.

2. The first linear guide rail, the second linear guide rail and the third linear guide rail used in this utility model are all the same linear guide rails, which can be used interchangeably and are easy to disassemble and replace. The cooling effect of the slide rail prevents the slide rail from overheating and expanding during the working process, which affects the machining accuracy and prolongs the service life of the guide rail.

3. The utility model is equipped with a plurality of power heads on the milling unit. The power heads can be replaced according to the actual processing needs, and the number of power heads can also be increased or decreased according to the complexity of the actual workpiece, which can be used for milling and drilling. , engraving and other functions, and can also cooperate with the spindle to process tools with polygonal structures.

4. The turret of the present utility model is equipped with multiple stations, which can simultaneously clamp a variety of tools with different functions according to different processing requirements. There is also a through hole in the middle of the turret. The design of the through hole reduces the overall size of the turret. The weight reduces the processing cost, and at the same time facilitates the rotation of the turret during processing. The design of the mounting seat and the mounting hole facilitates the installation and fixing of the tool, which can prevent the tool from shifting under long-term vibration during use, increasing the tool life. Tower processing precision.

Description of drawings

Fig. 1 is a structural schematic diagram one of the utility model.

Fig. 2 is the second structural diagram of the utility model.

Fig. 3 is a structural schematic diagram of the linear guide rail of the present utility model.

Fig. 4 is a structural schematic diagram of the turret of the present invention.

Fig. 5 is a cross-sectional view of the electric spindle of the present invention.

In conjunction with the accompanying drawings, the following reference numerals are marked thereon:

1- bed; 11- liquid sink; 12- liquid guide plate;

2-spindle unit; 21-first linear guide rail; 211-slide rail; 212-installation hole; 213-cooling tank; 214-trolley block; 22-second linear guide rail; 23-electric spindle; 231-motor shaft; -Annular rotor; 233-Annular stator; 234-Bearing; 235-End cover; 236-Motor shell; 24-Spindle box;

3-milling unit; 31-milling column; 32-power head; 321-active power head; 322-auxiliary power head; 323-servo drilling power head; 324-servo tapping power head; 33-third linear guide rail; 34-mobile pallet; 341-flat one; 342-flat two;

4-turning unit; 41-turning column; 42-tool clamping device; 421-turret; 422-work station; 423-through hole; 424-installation hole; 425-motor;

detailed description

The utility model will be further described below in conjunction with the accompanying drawings with specific embodiments, referring to Fig. 1-Fig. 5:

As a preferred embodiment of the present utility model, as shown in Figures 1 and 2, a milling-turning compound machine tool includes a bed 1, and a spindle unit 2 is provided on one side of the bed 1, and the spindle unit 2 includes a mobile The device group, the electric spindle 23 is installed on the mobile device group, the mobile device group includes a first linear guide rail 21 and a second linear guide rail 22, the first linear guide rail 21 is arranged in the X-axis direction above the bed 1, and the first linear guide rail 21 The second linear guide rail 22 is slidably connected along the Y-axis direction, and the spindle box 24 is slidably connected to the second linear guide rail 22. The electric spindle 23 is installed in the spindle box 24, and the electric spindle 23 is driven by the moving device group. to move;

The other side of the bed 1 is provided with a milling unit 3 along the Z-axis direction. The milling unit 3 includes a milling column 31. A third linear guide rail 33 is arranged on a side wall of the milling column 31 along the Z-axis direction. On the third linear guide rail 33 Several power heads 32 for milling workpieces are detachably installed by moving the pallet 34 longitudinally;

Lathe bed 1 is also provided with turning unit 4, and turning unit 4 comprises turning column 41, and the turning device for turning workpiece is installed on turning column 41; Turning device comprises tool clamping device 42, and described tool clamping device 42 faces The end face of the electric spindle 23 is installed on the turning column 41;

The turning unit 4 and the milling unit 3 are arranged in sequence on one side of the spindle unit. The entire vehicle body is divided into two areas, one area is the spindle unit, and the other area is the turning unit and the milling unit. The headstock is installed separately In the main shaft unit, it is easy to install, has high processing precision and strong rigidity of the whole mechanism.

The moving pallet 34 is in an "L" shape and includes a first plate 341 and a second plate 342 , and the first plate 341 and the second plate 342 are respectively located on two adjacent sides of the milling column 31 . The first plate 341 is equipped with several active power heads 321 facing the end face of the electric spindle 23 and arranged vertically and the main motor for controlling the work of the active power head 321; The auxiliary power head 322 arranged vertically on the side of the electric spindle 23 and the auxiliary motor for controlling the work of the auxiliary power head 322, the main power head is mainly for processing the end face of the workpiece on the main shaft, and the auxiliary power head is mainly for processing the workpiece on the main shaft. The peripheral surface of the workpiece. The power head 32 includes a servo drilling power head 323 for milling, drilling and engraving, and a servo tapping power head 324 for rigid tapping. The servo drilling power head 323 is located on the servo tapping power head. On the upper and lower sides of the head 324, two power heads cooperate with each other to process workpieces with complex structures such as polygons.

The first linear guide rail 21, the second linear guide rail 22 and the third linear guide rail 33 are all linear guide rails, and the three can be used interchangeably. The linear guide rails include two left and right slide rails 211, as shown in Figure 3 As shown, the slide rail 211 is provided with a plurality of linearly arranged installation holes 212 along the length direction, and the lower end surface of the slide rail 211 is provided with two cooling grooves 213 arranged in parallel and opening downward, which improves the cooling effect of the guide rail; The upper end of the slide rail 211 is also slidably provided with a tackle block 214, the second linear guide rail 22 is arranged on the first linear guide rail 21 through the tackle block 214, and the headstock is arranged on the second linear guide rail 22 through the tackle block 214. The spindle unit is formed.

As shown in Figure 4, the tool clamping device 42 includes a turret 421 and a motor 425, the motor 425 drives the turret 421 to rotate, and a plurality of stations 422 are uniformly provided on the circumference of the turret 421, preferably eight station or twelve stations, eight or twelve cutting tools can be installed on the turret 421, and different cutting tools can be replaced according to the processing requirements of the actual workpiece. The middle part of the turret 421 is also provided with a through hole 423, Each station 422 is detachably installed with a mounting seat 426, and several mounting holes 424 are provided on the mounting seat 426. The cutting tool is installed on the mounting holes 424. The design of the through hole reduces the overall weight of the knife tower 421, which is convenient The rotation of the turret 421 during processing can improve work efficiency, the tool clamping device 42 is not easily damaged, and the design of the mounting hole 424 is convenient for tool installation and fixing, which can prevent the tool from shifting under long-term vibration during use, increasing the The machining accuracy of turret 421.

As shown in Figure 5, the electric spindle 23 includes a motor shaft 231 and a spindle motor that drives the motor shaft 231 to rotate. The motor shaft is arranged in the middle of the spindle motor. Composed of an annular stator 233, the outer periphery of the motor shaft 231 is fixed with the annular rotor 232, the annular rotor 232 is rotatably installed inside the annular stator 233, and the annular stator 233 is fixedly connected to the motor housing 236 of the electric spindle, Both ends of the motor shaft 231 are rotatably mounted with end caps 235 via bearings 234 .

The bed 1 between the main shaft unit 2 and the main shaft unit 2 and the milling unit 3 is provided with a drop tank 11, and the liquid guide plate 12 is arranged around the drop tank 11, and the liquid guide plates 12 are respectively located at the Below the spindle unit 2 , the milling unit 3 and the turning unit 4 , during the working process, the processing waste liquid flows into the liquid sink 11 through the liquid guide plate 12 .

Working principle of the utility model:

When processing workpieces, the workpieces to be processed are installed on the electric spindle, and after being pushed by the first linear guide rail and the second linear guide rail, the end face of the workpiece is first moved to the turning unit for turning process. After the turning is completed, the workpiece is placed on the second linear guide rail. Move backward to the milling unit, the main power head mills the end face of the workpiece, and at the same time, the auxiliary power head mills the outer peripheral surface of the workpiece until the machining process is completed and the workpiece is removed. The utility model is mainly based on milling and supplemented by turning to process workpieces, with high processing efficiency, uniform load-bearing of the overall structure, stable structure and strong rigidity.

Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (8)

1. A milling and turning compound machine tool, comprising a bed (1), is characterized in that: A spindle unit (2) is arranged on one side of the bed (1), and the spindle unit (2) includes a moving device group, on which an electric spindle (23) is installed, and the electric spindle (23) is driven by the moving device group move; The other side of the bed (1) is provided with a milling unit (3) along the Z-axis direction. The milling unit (3) includes a milling column (31), and several power heads ( 32); The bed (1) is also provided with a turning unit (4), the turning unit (4) includes a turning column (41), and a turning device for turning workpieces is installed on the turning column (41); The turning unit (4) and the milling unit (3) are arranged on one side of the spindle unit (2). 2. The milling-turning compound machine tool according to claim 1, characterized in that: the moving device group includes a first linear guide rail and a second linear guide rail, and the first linear guide rail is arranged in the X-axis direction above the bed (1) , the first linear guide rail is slidably connected with the second linear guide rail along the Y-axis direction, and the electric spindle (23) is slidably installed on the second linear guide rail; the power head (32) is slidably installed through the third linear guide rail on the milling column (31). 3. The compound milling and turning machine tool according to claim 2, characterized in that: the first linear guide rail (21), the second linear guide rail (22) and the third linear guide rail (33) are all linear guide rails, and the The linear guide rail includes two slide rails (211) on the left and right, and two parallel cooling grooves (213) are provided on the lower surface of the slide rail (211) with the opening facing downward; the upper end of the slide rail (211) is also slidably provided with a block (214). 4. The compound milling-turning machine tool according to claim 3, characterized in that: a movable pallet (34) is fixedly installed on the tackle block (214) of the third linear guide rail (33), and the movable pallet (34) It is "L" shape, including plate one (341) and plate two (342), plate one (341) and plate two (342) are respectively located at two adjacent sides of the milling column (31), plate one (341 ) and flat plate two (342) are respectively detachably installed with several described power heads. 5. The compound milling-turning machine tool according to claim 4, characterized in that: the first plate (341) is equipped with several active power heads (321) facing the end face of the electric spindle (23) and arranged vertically and the main motor used to control the work of the main power head (321); several auxiliary power heads (322) arranged vertically facing the side of the electric main shaft (23) and used The secondary motor used to control the work of the secondary power head (322). 6. The milling-turning compound machine tool according to claim 1, characterized in that: the turning device includes a tool clamping device (42), and the tool clamping device (42) is installed on the end face of the electric spindle (23) On the turning column (41). 7. The compound milling and turning machine tool according to claim 6, characterized in that: the tool clamping device (42) includes a turret (421) and a motor, and the motor drives the turret (421) to rotate, and the turret (421) 421) Several stations (422) are uniformly opened on the circumferential surface, and a through hole (423) is also provided in the middle of the turret (421), and a mounting seat (426) is detachably installed on each station (422) , the mounting seat is provided with several mounting holes (424), and different cutters are clamped on each station (422). 8. The milling-turning compound machine tool according to claim 1, characterized in that: the bed (1) between the spindle unit (2) and the milling unit (3) and the turning unit (4) is provided with a falling liquid Groove (11), dripping tank (11) is provided with inclined downward liquid guide plate (12) around, and liquid guide plate (12) is respectively located in described main shaft unit (2), milling unit (3) and turning unit ( 4) Below.